Finding the Fourth Proportional to 1,881.57, 2,596.56 and 1,053.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.57 : 2,596.56 = 1,053.57 : x
2. Step 2: Convert to fraction form
   1,881.57/2,596.56 = 1,053.57/x
3. Step 3: Cross multiply
   1,881.57x = 2,596.56 × 1,053.57
4. Step 4: Simplify right side
   1,881.57x = 2,735,657.72
5. Step 5: Solve for x
   x = 2,735,657.72/1,881.57
6. Step 6: Final answer
   x = 1,453.92